By Guy Taylor Heathrow airport paid a record £6.4m to its former chief executive John Holland-Kaye, it has been revealed. The businessman’s bumper payout included an annual bonus of more than £1.2m and came despite flights from the hub being delayed by an average of 20 minutes last year. Holland-Kaye was replaced in October by Copenhagen Airport’s Thomas Woldbye after a near-decade long tenure at the UK’s busiest hub. His pay package, revealed in Heathrow’s annual report, included a £2.7m “termination payment” for nine months work. The report revealed Woldbye has already received just over £1m…